CTF - Quiz

Try to run the file command on a .png file, is the resolution mentioned in the output?

• True

• False

What compiler would you use to compile a c++ program?

• G++

• GCC

Which of the following is a conditional assembly instruction

• JNZ

• MOV

• ADD

• SUB

What does "PWN" mean in the context of cybersecurity?

• To secure a system against attacks

• To gain unauthorized control over a system by exploiting vulnerabilities

• To encrypt sensitive data

• To monitor network traffic

Which of the following is the main cause of a buffer overflow?

• Using too many variables in a program

• Writing more data into a buffer than it can hold

• Incorrectly defining global variables

• Using the wrong compiler flags

Which line in the following code snippet is vulnerable to buffer overflow?

• char buffer;

• strcpy(buffer, input);

• printf("You entered: %s\n", buffer);

• void vulnerable_function(char *input)

Which OSINT tool /website is widely used for reverse image search?

• Instagram

• Tineye.com

• Telegram

• Wikipedia

Which OSINT tool is commonly used for domain and IP address information?

• Yandex

• Google search

• Whois

• Youtube

What type of data can typically be extracted from an image in OSINT investigations?

• Location / GeoLocation

• Domain

• PPI / Social Security number

• Nothing ;-)

Nikita(most famous Indian name) is studying engineering, you just found a suspicious image on her laptop. You decide to check its metadata. Which tool will help you extract hidden information?

• tshark

• exiftool

• strings

• gdb